$$\lim_{n \to \infty} \sum_{k=1}^{n} \left(\sqrt{1+ \frac{ k}{n^2}}-1\right)$$ I was trying to use Riemann integral method here, but how to find $f(x)$? Any hints?
2026-03-27 09:25:00.1774603500
Limit of the sum of the series
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